Biology Review

Front

What is the main component of the cell membrane?

Back

Phospholipid.

Front

What is the process called when water diffuses across a membrane?

Back

Osmosis.

Front

What is the process of cell division that results in two identical daughter cells?

Back

Mitosis.

Front

What is a homozygous recessive genotype?

Back

A genotype with two identical recessive alleles, e.g., rr.

Front

What forms the backbone of the DNA ladder?

Back

Deoxyribose (sugar) and phosphate.

Front

What is the function of protein channels in the cell membrane?

Back

To facilitate the transport of substances across the membrane.

Front

What is the difference between active transport and passive transport?

Back

Active transport requires energy, while passive transport does not.

Front

What is meiosis?

Back

A type of cell division that reduces the chromosome number by half, producing gametes.

Front

What is the role of carbohydrates in the cell membrane?

Back

They serve as recognition sites for cell signaling.

Front

What is the cell cycle?

Back

The series of phases that a cell goes through to divide and replicate.